.dragula-demo {
  max-width: 1000px;
  margin: 20px auto;
  padding: 20px;
}

.lists-container {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.list {
  width: 300px;
  min-height: 200px;
  padding: 10px;
  border: 2px dashed #ccc;
  border-radius: 8px;
  background: #f9f9f9;
}

.list h3 {
  text-align: center;
  color: #333;
  margin-bottom: 15px;
}

.drag-item {
  padding: 12px 15px;
  margin: 8px 0;
  background: white;
  border: 1px solid #eee;
  border-radius: 4px;
  cursor: move;
  transition: all 0.2s;
}

/* dragula 自带的拖拽状态样式（可自定义） */
.gu-mirror {
  /* 拖拽时的镜像元素样式 */
  position: fixed !important;
  margin: 0 !important;
  z-index: 9999 !important;
  opacity: 0.8;
  background: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.gu-hide {
  /* 拖拽时源元素的隐藏样式 */
  display: none !important;
}

.gu-transit {
  /* 拖拽时目标位置的过渡样式 */
  opacity: 0.4;
  background: #f0f0f0;
}